Fluid- operated tool.



L. vv. GREVE.

FLUID OPERATED TOGL.

APPLICATION FILED IUNE24. I9I6.

Patented Oct. 2, 1917.

INVENTRt Qf//LW/ M0 a ATTORNEYS WITNESS:

Y sfra'rns arent entitle LOUIS W. GREVE, OF CLEVELAND, OHIO, ASSIG'NOR TO THE .CLEVELAND PNEUMATI TOOL COMPANY, A, CORPORATION OF Ulf-E110. f

ntUInoPEItATEn Toot.

Specification of Letters Yatent.

onginaiappncation `mail January 7, leiafseriai No. 70,785. ,Divided and has application exea. :une 24, i f 191e. semina, 105,772.. f

To all wlwmc't may concern;

Be it known that I, Louis' W. GREVE, a citizen of the United States, residing .at

l Cleveland, in. the county of Cuyahoga and tion State of Ohio, havef invented certain new and useful Improvements in F1uid0perated Tools, of which the following is a specifica- The invention relates to fluid operated tools, the present application being a division of my pendingapplieatonfSerial No. 7 0,785; filed January 7, 1916, and has for its l'iriinary objectsrthe provision of' improved vlocking mea-ns for securing the handle and body portion, or any two separate portions of the device from accidental unscrevving or loosening; .the provision of a locking device ot the character yspecified whlchvcan loe readily applied and adjusted and which .is

capable of' avery fine adjustment whereby the parts can be locked at any position, vand the exact position, in which the parts are embodying the invention; Fig. 2 is' a section on the line Il-II of Fig; 1,; and Fig. 3 is a partial side elevation ofthe apparatus at the point of connectionbetween thehandle and 351 The .parts show-n are/as. follows; 1 is thecylinder rasings, but with the snap ringremoved.

y forward end of thefhandle easing;` 2 is the cylinder casing screw-threaded into the handie casing; 3 is the hammer pist-011,4 is the locking ring 'for preventing accidental. un screwing of the cylinder casing and handle casing; 5 is the lockingy pin for preventing rotation of' the lockingr ring;

snap ring `for holding the locking ringl ing; ring is provided with against longitndinal movement..

The edges ot the locking' ring 4 and the handle are provided with; opposirng projections '7 and 8, each extending around 180 degrees, so that relative rotative movement ifspreventedl when thelocking ring is in opera tive position. 'lhey inner surface of the looka plurality of 'longitudinal slots 9, and the cylinder casing carries the removablepin 5 Whose outer end 10 is formed witltattened sides and eccenand 6 is thetric with respect to the body of thepinr and` adapted kto engagev one of the slots 9. The elongated flattened end engaging.' the slot.

:prevents the pin turning on its airis.r The plurality of holes il for thepin 5 are provided so that it 'may he adyoisteilL eircnnrA ferentially of the cylinder casing .As indicated .in F ig. 2 these holes are spaced with K respect to the slots 9 in the ratio of ted,

so that leaving aside thematterof the eccentric arrangement et the end `of the pin, it is ynecessary to rotate the ring only one-half the distance between two ofthe' slots 9 inorder to secure a second connection between the pin con and the ring. For instance, if it were neces-` f 'sary to rota-te the ring' cloolcvvise half the distance ybetween two Islots 9, the pin 5 wouldv give this adjustment it shifted tok the Whole to n l 1 the right of the one which itnow oceiipies. The eccentr 5. arrangement o' the end increases the fineness or range oit the;aeijnst-r 10? also f ment. The two sets'of adjustment together divide the spaces between ther slots 9 to such an extent that the ring,r 4 canine made to interlock both with the handle and with. the cylinder easing when the parts are screwed tight. Thesnap ringl G is open at one side as, n

indicated in Q, and has one langediedge in engagement with a groove in the handle and the other with a shonideronthe.locking rims 4 lt will be seen that the foreg'oingarrangef I'nent provides for the secure locking ofthe two casing parteI in any desiredposition of adjustment, 'that the parts maybe very :readily assembledy and disassembled,and

that the vneness of adjustment issnch that the parts may be locked when the threads come to a position of tight engagement..

Other advantages incidentto the eo'n'strucf tion will he readily apparent to those skilled in the art.

What l claim isz. y f y Y l. y In a fluid operated toni, e easingrin two parts screwed together, a locking *ring movable longitudinally of the partshaving its inner surface provided with spaced longir tudinal grooves and interlocking'withy one et thepar s when in one extreme of movement so that relative rotation ofsuch part and the rin-g is prevented, a plurality et' Vpinsockets arranged cirenm'ferentially of the ot/hernias, l nog part yand having a spacing dierent'rom Y that of the said grooves, a. pinadaptedftof ft any one socket and project above the surface of the casing part and engage one of the said grooves on the inner surface of the ring, and releasable securing means for holding the ring in locking position.

In a fluid operated tool, a casing in two parts screwed together, a locking ring movable longitudinally of the parts having its inner surface provided with spaced longitudinal grooves and interlocking With one of the parts when in one extreme of movement so that relative rotation of such part and the ring is prevented, a plurality of pin sockets arranged circumferentiallvof the other casing part and having a spacing different from that'o the said grooves, a pin adapted 4to fit any one socket and project above the surface of the casing part and engage oneof the said grooves on the vinner surface of the ring, and releasable securing means for holding the ring in locking position, the said pin'having its outer end eccentric with respect to the body of th'e in.

LOUIS WJGR VE. 

